The circumference of a circle is 132 mm. Then its diameter is
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Circumference of a circle = 2πr
132 = 2 * 22/7 * r
132 * 7 = 44 * r
924/44 = r
21 = 4mm
Hence, diameter = 2r
= 2 * 21
= 42 mm
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Answered by
1
Step-by-step explanation:
convert 132 mm in cm=13.2 cm
circumference = 2piR
13.2 cm = 2×22/7 × r
r = 13.2 × 7/44
r = 2.1 cm
diameter = 2r
d = 4.2 cm
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